CN204190327U - A kind of electric power that is used for installs doubling fixture - Google Patents
A kind of electric power that is used for installs doubling fixture Download PDFInfo
- Publication number
- CN204190327U CN204190327U CN201420641583.1U CN201420641583U CN204190327U CN 204190327 U CN204190327 U CN 204190327U CN 201420641583 U CN201420641583 U CN 201420641583U CN 204190327 U CN204190327 U CN 204190327U
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- CN
- China
- Prior art keywords
- bolt
- nut
- location notch
- open slot
- backstay
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of binding clip of high and low voltage electric distribution circuit, particularly relate to a kind of also wire holder of installing for electric power.The utility model is used for electric power and installs doubling fixture, comprise bolt and by down under be socketed in upper wire clamp, drop wire clip, plain washer, spring pad, nut, blind nut and snap close piece on bolt successively.Bolt surface is provided with the location notch axially upwards extended by bolt lower end, and blind nut is provided with open slot, and snap close piece comprises and the inserting block and be slidably connected to the locating piece in location notch of open slot Matching installation.The utility model solves the defect that also wire holder is easily loosening, poor for applicability of alignment pin in prior art, provides one can prevent from occurring between bolts and nuts to loosen, and can be applicable to the also wire holder of different size specification cable.
Description
Technical field
The utility model relates to a kind of binding clip of high and low voltage electric distribution circuit, particularly relates to a kind of also wire holder of installing for electric power.
Background technology
And wire holder (also referred to as binding clip, electric wire connecting junction or parallel groove clamp) is a kind of conventional electric armour clamp, according to design feature, and wire holder is divided into bolt type, H type and wedge shape.Wherein bolt type the primary structure of wire holder (as shown in Figure 1) comprises wire clamp 2, drop wire clip 4 and bolt assembly 1, wherein bolt assembly 1 forms primarily of nuts and bolt, bolt (English: bolt), for the shaft-like object of taking the lead of attached threaded cylinder, the screwed cylinder part in one end is called stud, for with nut screw connection, the other end is head, be called bolt head, upper and lower wire clamp is located between bolt head and nut, and between described upper wire clamp 2 and drop wire clip 4, clamping is formed with two clamp holes 3.
And wire holder is mainly used in the wire jumper of high-tension line and low-voltage power line line pole tower, the continuing of shunt line.Example is installed as now with shunt line, introduce and the operation principle of wire holder: main line to be penetrated into and in wire holder in a clamp hole 3, shunt line is penetrated in another clamp hole 3, with drop wire clip 4, main line and shunt line are clamped by bolt assembly 1, upper wire clamp 2.And upper wire clamp 2 and the clamp 4 that rolls off the production line itself possess electric conductivity, so also wire holder not only realizes main line and shunt line merging spatially, also achieves both electrical energy transfer.What deserves to be explained is, upper wire clamp 2 and drop wire clip 4 are respectively equipped with the serration for pierce cable insulating outer layer, even if do not peel off insulating outer layer like this, and wire holder also can be electrically connected with cable; If certainly directly peel off the insulating outer layer of one section of cable, then penetrate in clamp hole 3 by corresponding naked core, circle design can be led in that clamp hole 3, without the need to above-mentioned serration.
Because whole and wire holder only relies on bolt assembly 1 to realize connecting, if occur between bolts and nuts to loosen, the contact gap of upper and lower wire clamp and cable will be increased, and then and the contact resistance of wire holder and cable also can increase thereupon, and the electric conductivity of wire holder itself reduces, the effect that continues of the electric energy between cable is had a greatly reduced quality.
In order to solve the problem, provide a kind of also wire holder with double nut in prior art, being exactly that a nut is installed below nut in FIG again, moving down for preventing original nut.Although can reduce nut loosening probability (requiring the probability that two abut against nut together and synchronously loosen by external mechanical disturbing influence, lower than the probability of single nut loosening) like this, Long-Time Service, still there will be the phenomenon of nut loosening.A kind of also wire holder with alignment pin is also had in addition in prior art, namely be that the lower end of nut in FIG arranges an alignment pin, can prevent nut from moving down although it is so, but the position of alignment pin is once determine, nut just cannot upwards regulate, then the gap of upper and lower wire clamp also cannot regulate, this band alignment pin and wire holder it is poor for applicability, continuing of different size specification cable cannot be applied to.
Utility model content
Technical problem to be solved in the utility model is to provide one can prevent from occurring between bolts and nuts to loosen, and can be applicable to the also wire holder of different size specification cable.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of electric power that is used for installs doubling fixture, comprise wire clamp, drop wire clip and bolt assembly, the wherein bolt assembly nut that comprises bolt and be connected with bolt lower thread, upper and lower wire clamp is located between bolt its head and nut, and between upper wire clamp and drop wire clip, clamping forms clamp hole; Also comprise to be located at below nut and with bolted blind nut, for locating the snap close piece of blind nut;
Blind nut top is provided with open slot, and blind nut is resisted against the lower end of nut; Snap close piece comprise backstay, portable piece, insert block and PVC connecting rod, backstay with insert the same side that block is positioned at portable piece, backstay is connected on portable piece, inserting block is connected on portable piece by PVC connecting rod, PVC connecting rod is concordant with backstay, wherein inserts block and mates with the geomery of described open slot;
Bolt surface is provided with the location notch axially upwards extended by bolt lower end, and the transverse width of location notch is consistent with the transverse width of backstay; Location notch is located at immediately below described open slot, and backstay penetrates in location notch, inserts block and is arranged in described open slot.
Adopt the utility model to be used for electric power and doubling fixture be installed, there is following technique effect:
1, the blind nut that the utility model is set up is equivalent to second bolt of bolt, and different is that this blind nut is by realizing interlocking with coordinating of snap close piece.Insert block to mate with the geomery of described open slot, and insert block and be arranged in described open slot, such blind nut will carry out rotation will inevitably drive snap close piece; Backstay to penetrate in location notch and the transverse width of location notch is consistent with the transverse width of backstay in addition, and such snap close piece just cannot rotate; Generally, snap close piece, by inserting the connection of block and backstay, makes blind nut cannot rotate relative to bolt, and blind nut is connected with bolt thread, blind nut, under the prerequisite of not rotating, also cannot move up and down, and the spacing of final blind nut and nut will remain unchanged always; And blind nut is resisted against the lower end of nut, if both gaps are always constant, no matter what kind of external mechanical vibrations, nut all can not loosen.
2, the utility model is used for electric power installation doubling fixture, in installation process, before this by method in prior art, according to preset pitch, bolt, upper wire clamp, cable (no matter which kind of specification), drop wire clip, nut are installed, and then blind nut is installed, then the backstay of snap close piece is penetrated in location notch, block will be inserted and be installed in open slot.Whole process does not affect by cable specification, and go for various cable, applicability is strong.
Only need shift out inserting block from outlet slot when 3, will remove, then grip portable piece, shifted out from blind nut by whole snap close piece and then unload lower spiro cover and nut, the equal not damaged of each parts of whole and wire holder, can reuse.
Further, described PVC connecting rod penetrates in location notch.
Concrete practical way can be divided into two kinds, and one penetrates in location notch by PVC connecting rod, and another kind is located at outside blind nut by PVC connecting rod.In order to make outside PVC connecting rod is not exposed to, thus suppress extraneous machinery interference better, preferably described PVC connecting rod and backstay together be penetrated in location notch.
Further, blind nut bottom is provided with for portable piece of spacing stopper slot, and the transverse width of stopper slot is consistent with the transverse width of portable piece, and spacing between stopper slot with open slot is equal with the length value of PVC connecting rod.
The portable piece of position being workman and holding with a hand, snap close piece is placed in blind nut by these parts by workman, and these parts are the positions being vulnerable to external mechanical interference in whole snap close piece most; Now one is carried out limit mounting stopper slot to portable piece is set in blind nut place, makes portable piece to be also stably positioned on blind nut, this whole snap close piece and blind nut interlock completely, the resistivity of machinery interference to external world strengthens further.
Further, described blind nut is provided with a plurality of stopper slot and open slot, and bolt is provided with the location notch of respective amount.
In order to realize the correspondence of installation site, if PVC connecting rod penetrates in location notch, location notch with insert block and need be located at immediately below open slot, be installed in open slot just so conveniently insert block.If only have a stopper slot and open slot, just require that, as asked contraposition, this has higher requirement to machining accuracy; The practice be applicable to is just when multiple stopper slot, open slot and location notch are widened or increased to the width of open slot, be convenient to practical operation and carry out selection adjustment, the utility model preferably arranges multiple stopper slot, open slot and location notch, workman can according to actual conditions, the location notch that chosen position is appropriate, penetrates backstay.
Accompanying drawing explanation
Fig. 1 installs and the structural representation of wire holder with electric power in prior art.
Fig. 2 is that the utility model installs the structural representation of doubling fixture embodiment for electric power.
Fig. 3 is the structural representation of part A in Fig. 2.
Fig. 4 is that the utility model installs the structural representation in doubling fixture after snap close piece traverse for electric power.
Fig. 5 is the angle based on traverse, and snap close piece puts into the structural representation that bolt assembly carries out installing.
Fig. 6 is the angle based on traverse, the structural representation after snap close piece and bolt assembly installation.
Bolt assembly 1, upper wire clamp 2, clamp hole 3, drop wire clip 4, portable piece 5, insert block 6, PVC connecting rod 7, backstay 8, nut 11, blind nut 12, spring pad 13, plain washer 14, open slot 15, location notch 17.
Embodiment
Below in conjunction with drawings and Examples, technical solution of the present invention is further illustrated:
As shown in Figure 2, the utility model is used for electric power and installs doubling fixture, comprise bolt and by down under be socketed in upper wire clamp 2, drop wire clip 4, plain washer 14, spring pad 13, nut 11, blind nut 12 and snap close piece on bolt successively.Wherein nut 11 is all connected with bolt thread with blind nut 12.
As shown in Figure 3, blind nut 12 top is provided with open slot 15, and blind nut 12 is resisted against the lower end of nut 11; As shown in Figure 4 snap close piece comprise backstay 8, portable piece 5, insert block 6 and PVC connecting rod 7, backstay 8 with insert the same side that block 6 is positioned at portable piece 5, backstay 8 is connected on portable piece 5, and insert block 6 and be connected on portable piece 5 by PVC connecting rod 7, PVC connecting rod 7 is concordant with backstay 8.
As shown in Figure 5, when installing, need, by PVC connecting rod 7 to the compacting of backstay 8 side, PVC bar and backstay 8 can be made together to put into location notch 17.Select PVC do portable piece 5 with the material of connecting rod inserting block 6, exactly because PVC material has elasticity energy lower flexure strain and can Rapid reset, the hardness of PVC material own is high again, can resist blind nut 12 pairs of PVC connecting rods 7 and impact.
As shown in Figure 6, inserting block 6 with described open slot 15 is square that shape size is identical.
Bolt surface is provided with the location notch 17 axially upwards extended by bolt lower end, and the transverse width of location notch 17 is consistent with the transverse width of backstay 8; Location notch 17 is located at immediately below described open slot 15, and backstay 8 penetrates in location notch 17, inserts block 6 and is arranged in described open slot 15.
Above-described is only preferred implementation of the present utility model, should be understood that, for a person skilled in the art, under the prerequisite not departing from the utility model structure, also to make some distortion and improvement, as being provided with in blind nut 12 bottom for portable piece of 5 spacing stopper slots, require that the transverse width of stopper slot is consistent with the transverse width of portable piece 5, and spacing between stopper slot with open slot 15 is equal with the length value of PVC connecting rod 7; Or arrange 3 ~ 5 stopper slots and open slot 15 on described blind nut 12, bolt is provided with the location notch 17 of equal number.These also should be considered as protection range of the present utility model, and these all can not affect effect and the practical applicability of the utility model enforcement.
Claims (4)
1. for electric power, doubling fixture is installed for one kind, comprise wire clamp, drop wire clip and bolt assembly, the wherein bolt assembly nut that comprises bolt and be connected with bolt lower thread, upper and lower wire clamp is located between bolt its head and nut, and between upper wire clamp and drop wire clip, clamping forms clamp hole; It is characterized in that: also comprise to be located at below nut and with bolted blind nut, for locating the snap close piece of blind nut;
Blind nut top is provided with open slot, and blind nut is resisted against the lower end of nut; Snap close piece comprise backstay, portable piece, insert block and PVC connecting rod, backstay with insert the same side that block is positioned at portable piece, backstay is connected on portable piece, inserting block is connected on portable piece by PVC connecting rod, PVC connecting rod is concordant with backstay, wherein inserts block and mates with the geomery of described open slot;
Bolt surface is provided with the location notch axially upwards extended by bolt lower end, and the transverse width of location notch is consistent with the transverse width of backstay; Location notch is located at immediately below described open slot, and backstay penetrates in location notch, inserts block and is arranged in described open slot.
2. for electric power, doubling fixture is installed as claimed in claim 1, it is characterized in that: described PVC connecting rod penetrates in location notch.
3. for electric power, doubling fixture is installed as claimed in claim 1, it is characterized in that: described blind nut bottom is provided with for portable piece of spacing stopper slot, the transverse width of stopper slot is consistent with the transverse width of portable piece, and spacing between stopper slot with open slot is equal with the length value of PVC connecting rod.
4. install doubling fixture for electric power as claimed in claim 2, it is characterized in that: described blind nut is provided with a plurality of stopper slot and open slot, bolt is provided with the location notch of respective amount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420641583.1U CN204190327U (en) | 2014-10-31 | 2014-10-31 | A kind of electric power that is used for installs doubling fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420641583.1U CN204190327U (en) | 2014-10-31 | 2014-10-31 | A kind of electric power that is used for installs doubling fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204190327U true CN204190327U (en) | 2015-03-04 |
Family
ID=52622298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420641583.1U Expired - Fee Related CN204190327U (en) | 2014-10-31 | 2014-10-31 | A kind of electric power that is used for installs doubling fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204190327U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106786121A (en) * | 2016-12-09 | 2017-05-31 | 国网北京市电力公司 | Wire clamp installation tool |
-
2014
- 2014-10-31 CN CN201420641583.1U patent/CN204190327U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106786121A (en) * | 2016-12-09 | 2017-05-31 | 国网北京市电力公司 | Wire clamp installation tool |
| CN106786121B (en) * | 2016-12-09 | 2019-02-26 | 国网北京市电力公司 | Wire clamp installation tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150304 Termination date: 20151031 |
|
| EXPY | Termination of patent right or utility model |